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海洋的守护者 | 国家地理每日一图

来源: Nat Geo Photo of the Day

原文

A hand reaching into the water in front of a large gray whale

Stewards of the Sea

A tourist on a boat in Laguna San Ignacio reaches into the water in the hope of petting one of many gray whales that frequent the bay. The unusually friendly animals have become a crucial part of the economy, as stated in our September 2017 issue.

Thomas Peschak, Nat Geo Image Collection